# X100C vs BM DIAG

The clearest difference is update cadence: BM DIAG at every 2 months against X100C's every 6 months. X100C's advantage is iOS requirement (7.0 vs 12.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

X100C ships an update every 6 months, BM DIAG every 2 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | X100C | BM DIAG |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (3 ratings)](https://appshunter.io/ios/app/x100c/id1149172812/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 51 MB | 396 MB |
| Requires iOS | **7.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [翔宇 金](https://appshunter.io/developer/528881861) | [Woyou Intelligent Technology(Shenzhen) Co., Ltd.](https://appshunter.io/developer/1788255603) |

## What reviewers say

### X100C

[App page](https://appshunter.io/ios/app/x100c/id1149172812)

This mobile tool facilitates key programming and PIN code reading for various car models via an OBD2 connection. It offers multilingual support and a user-friendly interface for compatible Ford, Mazda, Peugeot, Citroen, and DS vehicles.

**Highlights:** Key programming via OBD2, PIN code reading, Supports Ford, Mazda, Peugeot, Citroen, DS, Multilingual interface, User-friendly operation

**Features:** macOS Compatibility

**In-app purchases:** none


### BM DIAG

[App page](https://appshunter.io/ios/app/bm-diag/id6740069707)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is X100C free?

X100C is free to download, with no in-app purchases.

### Is BM DIAG free?

BM DIAG is free to download, with no in-app purchases.

### Do X100C or BM DIAG have ads?

Neither X100C nor BM DIAG shows ads.

### Which is updated more often, X100C or BM DIAG?

X100C ships an update every 6 months, and BM DIAG every 2 months. Most recently, X100C was updated on October 24, 2026 and BM DIAG on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*